HT9200B -- DTMF Generators

General Description

The 9200B tone generators are designed for MCU interfaces. HT9200B can be instructed by a MCU to generate 16 dual tones and 8 single tones from the DTMF pin. The 9200B provides a serial mode whereas the 9200B contains a selectable serial/parallel mode interface for various applications such as security systems, HT9200B home automation, HT9200B remote control through telephone lines, 9200B communication systems, etc.

Features

•     Operating voltage: 2.5V~5.5V
•     Serial mode for the 9200B
•     Serial/parallel mode for the 9200B
•     Low standby current
•     Low total harmonic distortion
•     3.58MHz crystal or ceramic resonator
•     8-pin DIP/SOP package
  HT9200B: 14-pin SOP package
• Data Sheet
• Revision History
• 封装信息
  8-pin DIP 封装
  8-pin SOP 封装
  14-pin SOP 封装
• 问答集
• 应用范例
• Selection Guide

HT9200B_中文PDF(点击下载)